For rewards-focused credit cards, Capital One or Chase Ink (I use this one, among others) might fit your needs.Hope this helps narrow things down.

I own several investment properties in Dallas, and have tons of great connections that will help you get started.

My wheelehouse is long term management of investment properties, but I do have a good relationship with a loca Chattanooga broker who helps investors in the area.

I'd really prefer to just adopt something that another PM has already used and found success with, or use it at least as a framework that we adapt from.Appreciate any feedback that you think might be helpful.

That is what our team at Rent to Retirement has been helping investors to do for a decade now with BP.

However, should you have net rental income that is subject to net investment income tax, then REP status would be helpful to avoid NIIT.Just to be clear, if you have an STR and you materially participate in it, you aren't subject to NIIT. 

He also said he'd help me acquire large multifamily, but then had never even heard of Crexi, or Loopnet and had never owned anything larger than a duplex. 

I highly recommend a well-qualified REALTOR who works with investors and knows how to help you best.7.

or master, so in the future i have knowledge. and what can i do now that could help me in the future about house flippings and rentals?

The other platforms can sometimes help, but they’re not as reliable.